import java.util.Scanner;

public class Test {

    public static void main(String[] args) {
        System.out.println("Please enter values:");
        Scanner in = new Scanner(System.in);

        double input;
        double largest = Double.NEGATIVE_INFINITY;
        double smallest = Double.POSITIVE_INFINITY;

        while(
                (
                    (input = in.nextDouble()) != 0
                    &&
                    (
                        (
                            (input > largest)
                            &&
                            (largest=input)!=input
                        )
                        ||
                        (
                            (
                                (input < smallest)
                                &&
                                (smallest=input)==input
                            )
                            || true
                        )
                    )
                )
                ||
                (
                    largest == Double.NEGATIVE_INFINITY
                    &&
                    (
                        (largest=0)==0 && (smallest=0)!=0
                    )
                )
            );

        in.close();

        System.out.println("The smallest value was " + smallest);
        System.out.println("The largest value was " + largest);
    }
}